Universal Chemical Shift Officer Interview Questions and Answers

Vacuum can be created by removing air molecules from a closed space.

• Use a vacuum pump to remove air molecules from a closed space

• Create a seal around the space to prevent air from entering

• Reduce the pressure inside the space to create a vacuum

• Examples: vacuum cleaner, vacuum packaging, vacuum tube technology

Centrifugal pump works by converting mechanical energy into kinetic energy to increase the fluid's velocity and pressure.

• The pump has an impeller that rotates to create a centrifugal force.

• Fluid enters the pump through the suction nozzle and is directed to the impeller.

• The impeller's rotation causes the fluid to move radially outward, increasing its velocity.

• The fluid then enters the volute casing, where the velocity i...read more